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Finding the Fourth Proportional to 6,628.53, 9,934.20 and 3,069.30

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Solution

The fourth proportional to 6,628.53, 9,934.20 and 3,069.30 is: 4,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.53 : 9,934.20 = 3,069.30 : x
  2. Step 2: Convert to fraction form
    6,628.53/9,934.20 = 3,069.30/x
  3. Step 3: Cross multiply
    6,628.53x = 9,934.20 × 3,069.30
  4. Step 4: Simplify right side
    6,628.53x = 30,491,057.22
  5. Step 5: Solve for x
    x = 30,491,057.22/6,628.53
  6. Step 6: Final answer
    x = 4,599.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.